graph TB
  linkStyle default fill:#ffffff

  subgraph diagram ["System Landscape"]
    style diagram fill:#ffffff,stroke:#ffffff

    subgraph group1 [Organisation 1]
      style group1 fill:#ffffff,stroke:#cccccc,color:#cccccc,stroke-dasharray:5

      3["<div style='font-weight: bold'>Organisation 1</div><div style='font-size: 70%; margin-top: 0px'>[Software System]</div>"]
      style 3 fill:#dddddd,stroke:#9a9a9a,color:#000000
        subgraph group2 [Department 1]
          style group2 fill:#ffffff,stroke:#cccccc,color:#cccccc,stroke-dasharray:5

          5["<div style='font-weight: bold'>Department 1</div><div style='font-size: 70%; margin-top: 0px'>[Software System]</div>"]
          style 5 fill:#dddddd,stroke:#9a9a9a,color:#000000
            subgraph group3 [Team 1]
              style group3 fill:#ffffff,stroke:#cccccc,color:#cccccc,stroke-dasharray:5

              1["<div style='font-weight: bold'>Team 1</div><div style='font-size: 70%; margin-top: 0px'>[Software System]</div>"]
              style 1 fill:#dddddd,stroke:#9a9a9a,color:#000000
            end

            subgraph group4 [Team 2]
              style group4 fill:#ffffff,stroke:#cccccc,color:#cccccc,stroke-dasharray:5

              2["<div style='font-weight: bold'>Team 2</div><div style='font-size: 70%; margin-top: 0px'>[Software System]</div>"]
              style 2 fill:#dddddd,stroke:#9a9a9a,color:#000000
            end

        end

    end

    subgraph group5 [Organisation 2]
      style group5 fill:#ffffff,stroke:#cccccc,color:#cccccc,stroke-dasharray:5

      4["<div style='font-weight: bold'>Organisation 2</div><div style='font-size: 70%; margin-top: 0px'>[Software System]</div>"]
      style 4 fill:#dddddd,stroke:#9a9a9a,color:#000000
    end


  end